Can You Guess the Celebrity Cleavage?

The starlet in the picture is famous for being the younger sister of another famous actor and portraying the best friend of a certain tongue-wagging pop star.

Besides her most famous role as the best friend , she's also performed voice work on the hit animated comedy series 'Family Guy' as a variety of characters from 2012 to 2014. Earlier in her career, she voiced a character named Kendall Perkins in another animated show called 'Kick Buttowski: Suburban Daredevil' from 2010 to 2012.